Amazing Raku Studio Pottery Vase Found in Vermont Signed

This amazing raku pottery vase boasts a celadon to blue interior and lip with black horse hair veins which are a striking contrast against the celadon to blue glaze.  The exterior has a crude, earthy, feel and texture.  The side has been stamped "R" by the studio in which it was made.  This vase was found in Vermont. 

This vase is about 5" tall by 5" wide. 

It has no chips or cracks.